18.161.204.0/23
Origin history for this exact network block.
| From | Until | Origin ASN | Name at start |
|---|---|---|---|
| 2026-10-22 | Current | AS16509 | Amazon.com, Inc. |
| 2026-08-13 | 2026-09-22 | AS16509 | Amazon.com, Inc. |
| 2026-06-13 | 2026-08-11 | AS16509 | Amazon.com, Inc. |